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Enter the time you want to convert from IST.
IST to BST Converter
Convert India Standard Time (IST) to British Summer Time (BST) and compare the time difference between the two time zones.
Local: Wed, Sep 9, 2026 00:00 PM
IST
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BST
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IST to BST Time Difference
BST is 4 hours and 30 minutes behind of IST.
IST to BST Conversion Table
Use this table as a quick reference when converting common times from IST to BST.
| IST | BST |
|---|---|
| 12:00 AM | 7:30 PMprevious day |
| 3:00 AM | 10:30 PMprevious day |
| 6:00 AM | 1:30 AM |
| 9:00 AM | 4:30 AM |
| 12:00 PM | 7:30 AM |
| 3:00 PM | 10:30 AM |
| 6:00 PM | 1:30 PM |
| 9:00 PM | 4:30 PM |
About India Standard Time (IST)
India Standard Time (IST) is five hours and thirty minutes ahead of Coordinated Universal Time, UTC+5:30.
- Abbreviation
- IST
- UTC Offset
- UTC+5:30
- Region
- India
About British Summer Time (BST)
British Summer Time (BST) is one hour ahead of Coordinated Universal Time, UTC+1.
- Abbreviation
- BST
- UTC Offset
- UTC+1
- Region
- United Kingdom
How to Convert IST to BST
Compare the Zones
The converter calculates the corresponding time in BST.
Check the Date
Remember that a conversion can move the result to the previous or next calendar day.